Updated SpecificationTests

appveyor.yml

@@ -1,22 +0,0 @@
-image: Visual Studio 2017
-configuration: Release
-platform: Any CPU
-
-install:
-  - ps: $env:build_version = (Select-Xml -Path ".\package.props" -XPath "/Project/PropertyGroup/Version" | Select-Object -ExpandProperty Node).InnerText
-  - ps: Update-AppveyorBuild -Version "$env:build_version.$env:APPVEYOR_BUILD_NUMBER"
-
-dotnet_csproj:
-  patch: false
-
-before_build:
-- cmd: dotnet restore
-
-build:
-  project: package.sln
-  parallel: true
-  verbosity: minimal
-
-artifacts:
-- path: '**\Unity.*.nupkg'
-  name: 'Unity'